Popup schließen
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
woom 4
Zoom Icon

Bike  20" • 7,8 kg
Child  6 - 8 years • 115 - 130 cm
€ 399,-
Ready to ship same or next business day

The intro to gears!

The woom 4 is very dynamic. The next step is shifting; all 8 gears greatly expand the bike's range of application. Whether in the woods or on the hill, kids can now explore lots more – beyond their horizons!

Size: 20"
Weight: 7,8 kg (without Pedals)
Age: 6 - 8 years
Height: 115-130 cm
Available Editions:
CLASSIC
Popup schließen
The Highlights at a Glance!
These are the most important features
for kids this age...
Woom 3
All components that are specifically designed with safety in mind have the kidsafe PLUS seal. Click the icons to find out more.

“There is much more to riding a bike than just the fun of taking it for a spin: exploring the world means broadening horizons.”

Christian Bezdeka
Founder of woom

Bike geometry

  • A Tire/Wheel 20 Zoll
  • B Cockpit/Handlebar Reach 745 mm (29.33")
  • C Steering Angle 68°
  • D Top Tube Horizontal 430 mm (16.93")
  • E Wheelbase 825 mm (32.48")
  • F Seat Tube Angle 71.5°
  • G Minimum Saddle Height 550 mm (21.65")
  • H Maximum Saddle Height 700 mm (27.56")
  • I Crankarm Length 110 mm (4.33")

Specifications

Frame
  • frame material: light, high quality Aluminum alloy 6061 with seamless tubes
  • 20" wheels and easy handling: low entry and very low sitting position, a long wheel base forgiving steering geometry to provide good balance and thus more riding fun
Fork
  • light unicrown fork made out of aluminum
  • 1” shaft
  • self-aligning for easy stearing
Headset
  • semi-integrated 1” headset
  • sealed ahead steerer made of steel and aluminum
  • intergrated ahead clamp
Stem
  • forged aluminum
  • 40 mm / +10°
  • “knee-friendly”: no protruding bolts thanks to the integrated handlebar clamp design
  • screwed onto handlebarswith two 6 mm hex bolts
Handlebar
  • wide, ergonomic and lightweigt with a slight rise for more control
  • sandblasted / black anodized
  • 560 mm width
Grips
  • reduced diameter suitable for tiny hands
  • non-toxic
  • screw in bar end plugs
Drive
  • light, forged 110 mm aluminum cranks with a narrow Q-factor (width between the pedals)
  • beginner gearing: 29 x 11-32T
  • plastic platform pedals
  • sealed cartridge
Brakes
  • mini V-brakes
  • 2 brake levers with reach adjustability to fit small hands
  • high-quality Jagwire cables for reduced friction and smooth performance
Gearing
  • 8-speed
  • SRAM grip shifters
  • SRAM X4 derailleur
Wheels
  • ultralight Soopa-Doopa-Hoops aluminium rims
  • aluminum hubs with sealed bearings
  • quick-releases to install and remove wheels
  • 20 x 1.8 mm stainless spokes/ 2x laced
Tires
  • Kenda Small Block 1.5” x 20 tires provide good absorption, low rolling resistance and a lot of grip
  • custom 60 TPI
  • schrader valve to easily inflate at any gas station
Saddle
  • age-specific ergonomic design
  • non-toxic
  • additional added protection to lean on walls
Seat Post
anodized aluminum post withinsertion marks that indicate minimal and maximal insertion depths
Seat Post Clamp
  • aluminum / quick-release
  • long lever that is easy to use
  • does not twist when tightened
Enclosed Tools
  • 1 x 6 mm hex key (stem)
  • 15 mm pedal spanner
Weight
7,8 kg (without Pedals)
Colours
woom red, sky blue, woom green, purple haze, sunny yellow
Shipping Dimensions
102 x 56 x 23 cm
Weight limit
70 kg

This is how we deliver your bike —
5 min., ready, go!

Any questions regarding assembly?
We're glad to help you out anytime!

assembly instructions pdf, 6 MB

upcycling

upCYCLING –
woom bikes grow with you

Kids grow fast but we still want your child to have a bike with the correct size, and, that you don't have to pay more than a compromise. For this reason, we came up with the upCYCLING system.

  • Exchange your old bike and recieve a 40% reimbursement for it when buying the next size up
  • Lifetime upCYCLING membership (you only pay once)
  • The bike must be roadworthy
  • We'll organize the return shipping on your old bike at no cost

 

Customer Reviews

Based on 8 reviews Write a review
das Superleichte
Reasonable Shipping Costs
We offer shipping all throughout Europe for €10. If you only order accessories, shipping costs €5.
das Durchdachte
Quick delivery
We ship within 24 hours after payment has been received. Your bike will be delivered to your door within 1-4 working days.
das Passende
30 day money-back guarantee
Take some time to test your bike. You can return your bike within 30 days and we'll cover all of the shipping costs.
upCYCLING
Unpack and setup
With just a few easy steps your bike will be ready to ride. Get tips in our videos on setting up.
garantierte Qualität
Personal service
We guarantee personal support when you buy a woom bike – satisfaction guaranteed!
ausgezeichnet
Climate protection
We are partners of the klimaaktiv mobil project to help the environment by obliging to use ressources efficiently.